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I understand it. Thank you for your reply!
I am currently working on optics field. I am interested in the freeform surface. I have never used Mathematica. If I can use Mathematica to cover the subject of a freeform surface, I will try use the Mathematica. Can I use Mathematica to...
Thanks. I'll try to solve it.
It is good to modify it as you have told me. Thank you !